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branch	1.1.1;
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	FSF:1.1.1;
locks; strict;
comment	@# @;


1.1
date	2014.03.01.08.41.46;	author mrg;	state Exp;
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desc
@@


1.1
log
@Initial revision
@
text
@shlib_version:=$(shell $(CC) --version 2>&1 | \
	sed -n 's/^.*(GCC).* \([0-9]*\.[0-9.]*\).*$/\1/p' | \
	sed -e 's/\./,/' -e 's/\.//g')
SHLIB_EXT = .exe
SHLIB_OBJS = @@shlib_objs@@
SHLIB_NAME = @@shlib_base_name@@.exe
SHLIB_MULTILIB =
SHLIB_INSTALL = $(INSTALL_DATA) $(SHLIB_NAME) $(DESTDIR)$(libsubdir)/$(SHLIB_NAME)
SHLIB_SYMVEC = \
  grep -F -e "\$$BSS\$$" -e "\$$DATA\$$" -e " sdata " -e " data.rel " -e " data.rel.ro " -e " sbss " \
        -e "\$$LINK\$$" -e "\$$READONLY\$$" | \
  sed -e "s/.*\$$LINK\$$   \(.*\)/SYMBOL_VECTOR=(\1=PROCEDURE)/" \
      -e "s/.*\$$DATA\$$   \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* sbss     \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* sdata    \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* data.rel \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* data.rel.ro \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.*\$$BSS\$$    \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.*\$$READONLY\$$ \(.*\)/SYMBOL_VECTOR=(\1=DATA)/"
SHLIB_LINK = \
  echo "case_sensitive=yes" > SYMVEC_$$$$.opt; \
  objdump --syms $(SHLIB_OBJS) | \
  $(SHLIB_SYMVEC) >> SYMVEC_$$$$.opt ; \
  echo "case_sensitive=NO" >> SYMVEC_$$$$.opt; \
  $(CC) $(LIBGCC2_CFLAGS) -nodefaultlibs \
  -shared --for-linker=/noinform -o $(SHLIB_NAME) $(SHLIB_OBJS) \
  --for-linker=SYMVEC_$$$$.opt \
  --for-linker=gsmatch=equal,$(shlib_version)
@


1.1.1.1
log
@import GCC 4.8 branch at r206687.

highlights from: http://gcc.gnu.org/gcc-4.6/changes.html

   GCC now has stricter checks for invalid command-line options
   New -Wunused-but-set-variable and -Wunused-but-set-parameter
      warnings
   Many platforms have been obsoleted
   Link-time optimization improvements
   A new switch -fstack-usage has been added
   A new function attribute leaf was introduced
   A new warning, enabled by -Wdouble-promotion
   Support for selectively enabling and disabling warnings via
      #pragma GCC diagnostic has been added
   There is now experimental support for some features from the
      upcoming C1X revision of the ISO C standard
   Improved experimental support for the upcoming C++0x ISO C++
      standard
   G++ now issues clearer diagnostics in several cases
   Updates for ARM, x86, MIPS, PPC/PPC64, SPARC
   Darwin, FreeBSD, Solaris 2, MinGW and Cygwin now all support
      __float128 on 32-bit and 64-bit x86 targets. [*1]

highlights from: http://gcc.gnu.org/gcc-4.7/changes.html

   The -fconserve-space flag has been deprecated
   Support for a new parameter --param case-values-threshold=n
      was added
   Interprocedural and Link-time optimization improvements
   A new built-in, __builtin_assume_aligned, has been added
   A new warning option -Wunused-local-typedefs was added
   A new experimental command-line option -ftrack-macro-expansion
      was added
   Support for atomic operations specifying the C++11/C11 memory
      model has been added
   There is support for some more features from the C11 revision
      of the ISO C standard
   Improved experimental support for the new ISO C++ standard,
      C++11
   Updates for ARM, x86, MIPS, PPC/PPC64, SH, SPARC, TILE*
   A new option (-grecord-gcc-switches) was added

highlights from: http://gcc.gnu.org/gcc-4.8/changes.html

   GCC now uses C++ as its implementation language.  This means
      that to build GCC from sources, you will need a C++
      compiler that understands C++ 2003
   DWARF4 is now the default when generating DWARF debug
      information
   A new general optimization level, -Og, has been introduced
   A new option -ftree-partial-pre was added
   The option -fconserve-space has been removed
   The command-line options -fipa-struct-reorg and
      -fipa-matrix-reorg have been removed
   Interprocedural and Link-time optimization improvements
   AddressSanitizer, a fast memory error detector, has been
      added  [*2]
   A new -Wsizeof-pointer-memaccess warning has been added
   G++ now supports a -std=c++1y option for experimentation
      with features proposed for the next revision of the
      standard, expected around 2014
   Improved experimental support for the new ISO C++ standard,
      C++11
   A new port has been added to support AArch64
   Updates for ARM, x86, MIPS, PPC/PPC64, SH, SPARC, TILE*


[*1] we should support this too!
[*2] we should look into this.
     https://code.google.com/p/address-sanitizer/
@
text
@@


1.1.1.2
log
@initial import of GCC 12.3.0.

major changes in GCC 11 included:

- The default mode for C++ is now -std=gnu++17 instead of -std=gnu++14.
- When building GCC itself, the host compiler must now support C++11,
  rather than C++98.
- Some short options of the gcov tool have been renamed: -i to -j and
  -j to -H.
- ThreadSanitizer improvements.
- Introduce Hardware-assisted AddressSanitizer support.
- For targets that produce DWARF debugging information GCC now defaults
  to DWARF version 5. This can produce up to 25% more compact debug
  information compared to earlier versions.
- Many optimisations.
- The existing malloc attribute has been extended so that it can be
  used to identify allocator/deallocator API pairs. A pair of new
  -Wmismatched-dealloc and -Wmismatched-new-delete warnings are added.
- Other new warnings:
  -Wsizeof-array-div, enabled by -Wall, warns about divisions of two
    sizeof operators when the first one is applied to an array and the
    divisor does not equal the size of the array element.
  -Wstringop-overread, enabled by default, warns about calls to string
    functions reading past the end of the arrays passed to them as
    arguments.
  -Wtsan, enabled by default, warns about unsupported features in
    ThreadSanitizer (currently std::atomic_thread_fence).
- Enchanced warnings:
  -Wfree-nonheap-object detects many more instances of calls to
    deallocation functions with pointers not returned from a dynamic
    memory allocation function.
  -Wmaybe-uninitialized diagnoses passing pointers or references to
    uninitialized memory to functions taking const-qualified arguments.
  -Wuninitialized detects reads from uninitialized dynamically
    allocated memory.
  -Warray-parameter warns about functions with inconsistent array forms.
  -Wvla-parameter warns about functions with inconsistent VLA forms.
- Several new features from the upcoming C2X revision of the ISO C
  standard are supported with -std=c2x and -std=gnu2x.
- Several C++20 features have been implemented.
- The C++ front end has experimental support for some of the upcoming
  C++23 draft.
- Several new C++ warnings.
- Enhanced Arm, AArch64, x86, and RISC-V CPU support.
- The implementation of how program state is tracked within
  -fanalyzer has been completely rewritten with many enhancements.

see https://gcc.gnu.org/gcc-11/changes.html for a full list.

major changes in GCC 12 include:

- An ABI incompatibility between C and C++ when passing or returning
  by value certain aggregates containing zero width bit-fields has
  been discovered on various targets. x86-64, ARM and AArch64
  will always ignore them (so there is a C ABI incompatibility
  between GCC 11 and earlier with GCC 12 or later), PowerPC64 ELFv2
  always take them into account (so there is a C++ ABI
  incompatibility, GCC 4.4 and earlier compatible with GCC 12 or
  later, incompatible with GCC 4.5 through GCC 11). RISC-V has
  changed the handling of these already starting with GCC 10. As
  the ABI requires, MIPS takes them into account handling function
  return values so there is a C++ ABI incompatibility with GCC 4.5
  through 11.
- STABS: Support for emitting the STABS debugging format is
  deprecated and will be removed in the next release. All ports now
  default to emit DWARF (version 2 or later) debugging info or are
  obsoleted.
- Vectorization is enabled at -O2 which is now equivalent to the
  original -O2 -ftree-vectorize -fvect-cost-model=very-cheap.
- GCC now supports the ShadowCallStack sanitizer.
- Support for __builtin_shufflevector compatible with the clang
  language extension was added.
- Support for attribute unavailable was added.
- Support for __builtin_dynamic_object_size compatible with the
  clang language extension was added.
- New warnings:
  -Wbidi-chars warns about potentially misleading UTF-8
    bidirectional control characters.
  -Warray-compare warns about comparisons between two operands of
    array type.
- Some new features from the upcoming C2X revision of the ISO C
  standard are supported with -std=c2x and -std=gnu2x.
- Several C++23 features have been implemented.
- Many C++ enhancements across warnings and -f options.

see https://gcc.gnu.org/gcc-12/changes.html for a full list.
@
text
@d25 1
a25 1
  $(CC) $(LIBGCC2_CFLAGS) $(LDFLAGS) -nodefaultlibs \
@


1.1.1.1.8.1
log
@file t-slibgcc-vms was added on branch tls-maxphys on 2014-08-19 23:54:24 +0000
@
text
@d1 28
@


1.1.1.1.8.2
log
@Rebase to HEAD as of a few days ago.
@
text
@a0 28
shlib_version:=$(shell $(CC) --version 2>&1 | \
	sed -n 's/^.*(GCC).* \([0-9]*\.[0-9.]*\).*$/\1/p' | \
	sed -e 's/\./,/' -e 's/\.//g')
SHLIB_EXT = .exe
SHLIB_OBJS = @@shlib_objs@@
SHLIB_NAME = @@shlib_base_name@@.exe
SHLIB_MULTILIB =
SHLIB_INSTALL = $(INSTALL_DATA) $(SHLIB_NAME) $(DESTDIR)$(libsubdir)/$(SHLIB_NAME)
SHLIB_SYMVEC = \
  grep -F -e "\$$BSS\$$" -e "\$$DATA\$$" -e " sdata " -e " data.rel " -e " data.rel.ro " -e " sbss " \
        -e "\$$LINK\$$" -e "\$$READONLY\$$" | \
  sed -e "s/.*\$$LINK\$$   \(.*\)/SYMBOL_VECTOR=(\1=PROCEDURE)/" \
      -e "s/.*\$$DATA\$$   \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* sbss     \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* sdata    \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* data.rel \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* data.rel.ro \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.*\$$BSS\$$    \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.*\$$READONLY\$$ \(.*\)/SYMBOL_VECTOR=(\1=DATA)/"
SHLIB_LINK = \
  echo "case_sensitive=yes" > SYMVEC_$$$$.opt; \
  objdump --syms $(SHLIB_OBJS) | \
  $(SHLIB_SYMVEC) >> SYMVEC_$$$$.opt ; \
  echo "case_sensitive=NO" >> SYMVEC_$$$$.opt; \
  $(CC) $(LIBGCC2_CFLAGS) -nodefaultlibs \
  -shared --for-linker=/noinform -o $(SHLIB_NAME) $(SHLIB_OBJS) \
  --for-linker=SYMVEC_$$$$.opt \
  --for-linker=gsmatch=equal,$(shlib_version)
@


1.1.1.1.4.1
log
@file t-slibgcc-vms was added on branch yamt-pagecache on 2014-05-22 16:36:24 +0000
@
text
@d1 28
@


1.1.1.1.4.2
log
@sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")
@
text
@a0 28
shlib_version:=$(shell $(CC) --version 2>&1 | \
	sed -n 's/^.*(GCC).* \([0-9]*\.[0-9.]*\).*$/\1/p' | \
	sed -e 's/\./,/' -e 's/\.//g')
SHLIB_EXT = .exe
SHLIB_OBJS = @@shlib_objs@@
SHLIB_NAME = @@shlib_base_name@@.exe
SHLIB_MULTILIB =
SHLIB_INSTALL = $(INSTALL_DATA) $(SHLIB_NAME) $(DESTDIR)$(libsubdir)/$(SHLIB_NAME)
SHLIB_SYMVEC = \
  grep -F -e "\$$BSS\$$" -e "\$$DATA\$$" -e " sdata " -e " data.rel " -e " data.rel.ro " -e " sbss " \
        -e "\$$LINK\$$" -e "\$$READONLY\$$" | \
  sed -e "s/.*\$$LINK\$$   \(.*\)/SYMBOL_VECTOR=(\1=PROCEDURE)/" \
      -e "s/.*\$$DATA\$$   \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* sbss     \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* sdata    \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* data.rel \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.* data.rel.ro \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.*\$$BSS\$$    \(.*\)/SYMBOL_VECTOR=(\1=DATA)/" \
      -e "s/.*\$$READONLY\$$ \(.*\)/SYMBOL_VECTOR=(\1=DATA)/"
SHLIB_LINK = \
  echo "case_sensitive=yes" > SYMVEC_$$$$.opt; \
  objdump --syms $(SHLIB_OBJS) | \
  $(SHLIB_SYMVEC) >> SYMVEC_$$$$.opt ; \
  echo "case_sensitive=NO" >> SYMVEC_$$$$.opt; \
  $(CC) $(LIBGCC2_CFLAGS) -nodefaultlibs \
  -shared --for-linker=/noinform -o $(SHLIB_NAME) $(SHLIB_OBJS) \
  --for-linker=SYMVEC_$$$$.opt \
  --for-linker=gsmatch=equal,$(shlib_version)
@